22003915

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 26943840

約数和(自身を除く): 4939925

約数列:

[1, 5, 89, 197, 251, 445, 985, 1255, 17533, 22339, 49447, 87665, 111695, 247235, 4400783, 22003915]

約数ペア:

[(1, 22003915), (5, 4400783), (89, 247235), (197, 111695), (251, 87665), (445, 49447), (985, 22339), (1255, 17533)]